Our Free online paintless dent repair training course will introduce you to a majority of the basic concepts within PDR, and, if you practice each of the steps, give you enough training to see if Paintless Dent Repair is right for you.

Our basic training courses are set up in 5 minute blocks.

Easy to follow. Easy to practice the basics with!

Hi, I'm Duane Langenfeld, Founder and one of the owners at DING TOOL LLC!


I've been repairing dents, dings, and hail since 1994.

Over that period, I've repaired over 17k vehicles using paintless dent removal techniques.

From glue pull PDR to big smash damage, I've done it all.

With that being said, I've also performed paintless dent repair within multiple business models.

  1. Route work. Handled multiple body shops and auto dealers for over 13 years.
  2. Hail Trail. For just over 5 years I travelled the country, repairing hail for auto body shops.
  3. Retail PDR shop. My current set up is a brick and mortar retail hail and pdr shop. Have been at this location since 2013.
  4. I have also trained multiple PDR techs in the hail and route industry. Every single trainee has been very successful. (or will be!)

At the end of 2018 I launched DING TOOL LLC. A company dedicated to making dent repair easier.

With that simple premise at the core of who we are, I realized we needed to offer some basic training so those on the outside looking at PDR as a potential opportunity had a vehicle to enter into some training at minimal cost, then decide if they want to move forward with other avenues of training.

Select a pricing plan and sign up